CN219246588U

CN219246588U - Outdoor permanent magnet vacuum circuit breaker

Info

Publication number: CN219246588U
Application number: CN202223138270.8U
Authority: CN
Inventors: 屠文武; 屠余武
Original assignee: Zhejiang Liufang Electric Appliance Supporting Co ltd
Current assignee: Zhejiang Liufang Electric Appliance Supporting Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-06-23
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses an outdoor permanent magnet vacuum circuit breaker, which comprises a circuit breaker box body, an insulating polar column and a protective box covered outside the insulating polar column, wherein a damping device is arranged at the bottom of the circuit breaker box body and comprises a supporting plate, a hydraulic telescopic rod is connected between the supporting plate and a circuit breaker body, a first damping spring is sleeved outside the hydraulic telescopic rod, baffles are fixedly arranged on the left side and the right side of the supporting plate, a sliding rod is fixedly arranged in the middle of the baffle, a sliding block is slidably arranged on the sliding rod, a second damping spring is arranged between the sliding block and the baffle, the second damping spring is sleeved outside the sliding rod, and two ends of the second damping spring are propped against the baffle and the sliding block.

Description

Outdoor permanent magnet vacuum circuit breaker

Technical Field

The utility model relates to the technical field of vacuum circuit breakers, in particular to an outdoor permanent magnet vacuum circuit breaker.

Background

The outdoor permanent magnet vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinction are high vacuum, has the advantages of small volume, light weight, suitability for frequent operation and no maintenance of arc extinction, is more popular in power distribution network, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and substations, and is particularly suitable for use places requiring oilless maintenance and frequent operation.

Because current vacuum circuit breaker is mostly in outdoor use, can influence equipment normal work such as vacuum circuit breaker in-process self vibration or external environment take place vibration, and when vacuum circuit breaker receives sunshine insolatedly for a long time, also causes the ageing of spare part easily to lead to outdoor high voltage vacuum circuit breaker to appear the problem that life is shorter.

Disclosure of Invention

The utility model provides an outdoor permanent magnet vacuum circuit breaker, which is used for solving the problems that the normal operation of equipment is affected by self vibration or external environment vibration and the like in the working process of the existing vacuum circuit breaker, and parts are easy to age when the vacuum circuit breaker is exposed to sunlight for a long time, so that the outdoor high-voltage vacuum circuit breaker has a short service life.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an outdoor permanent magnet vacuum circuit breaker, includes circuit breaker box, insulating utmost point post to and the cover is established at the outside protective housing of insulating utmost point post, circuit breaker bottom of the case portion is equipped with damping device, damping device includes the backup pad, the backup pad with be connected with hydraulic telescoping rod between the circuit breaker box, hydraulic telescoping rod overcoat is equipped with first damping spring, the backup pad left and right sides is all fixed to be equipped with the baffle, the baffle middle part is fixed to be equipped with the slide bar, slidable mounting has the sliding block on the slide bar, the sliding block with be equipped with second damping spring between the baffle, the second damping spring cover is located the slide bar is outside, just second damping spring's both ends with baffle, sliding block counterbalance are held.

Preferably, the top of the hydraulic telescopic rod is connected with the bottom end surface of the breaker box body, and the bottom of the hydraulic telescopic rod is connected with the top end surface of the supporting plate.

Preferably, a balance block is fixedly arranged in the middle of the top end surface of the supporting plate, and a rubber buffer pad is arranged at the top of the balance block.

Preferably, the protection box is connected with a box door through hinged rotation, heat dissipation openings are formed in the left side and the right side of the protection box, and dustproof nets are arranged in the heat dissipation openings.

Preferably, the bottom of the sliding block is fixedly connected with a mounting plate.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the shock absorbing device is arranged at the bottom of the circuit breaker box body, so that the influence of vibration inside or outside the circuit breaker box body on equipment can be relieved when the circuit breaker box body works, the phenomenon that vibration damages parts inside the equipment or loosens connection between the parts to influence the work is avoided, and the protective box is covered outside the insulating polar column, so that the vacuum circuit breaker is prevented from being exposed to sunlight, the ageing effect of the parts of the vacuum circuit breaker is relieved, and the service life of the outdoor vacuum circuit breaker is prolonged.

Drawings

FIG. 1 is a schematic front view of the present utility model;

FIG. 2 is a schematic cross-sectional view of a protective housing according to the present utility model;

FIG. 3 is a schematic view of a shock absorbing device according to the present utility model;

the correspondence between the reference numerals and the component names in the drawings is as follows:

1. a circuit breaker housing; 2. an insulated pole; 3. a protective box; 4. a damping device; 5. a support plate; 6. a hydraulic telescopic rod; 7. a first damper spring; 8. a baffle; 9. a slide bar; 10. a sliding block; 11. a second damper spring; 12. a balance weight; 13. a rubber cushion pad; 14. a door; 15. a heat radiation port; 16. a dust screen; 17. and (3) mounting a plate.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

1-3, which are schematic views of an outdoor permanent magnet vacuum circuit breaker according to a preferred embodiment of the present utility model;

the utility model discloses an outdoor permanent magnet vacuum circuit breaker, which comprises a circuit breaker box body 1, an insulating pole 2 and a protective box 3 covered outside the insulating pole 2, wherein a damping device 4 is arranged at the bottom of the circuit breaker box body 1, the damping device 4 comprises a supporting plate 5, a hydraulic telescopic rod 6 is connected between the supporting plate 5 and the circuit breaker box body 1, a first damping spring 7 is sleeved outside the hydraulic telescopic rod 6 to play a role in buffering vibration, baffle plates 8 are fixedly arranged on the left side and the right side of the supporting plate 5, a sliding rod 9 is fixedly arranged in the middle of the baffle plates 8, a sliding block 10 is slidably arranged on the sliding rod 9, a second damping spring 11 is arranged between the sliding block 10 and the baffle plates 8, the second damping spring 11 is sleeved outside the sliding rod 9, two ends of the second damping spring 11 are propped against the baffle plates 8 and the sliding block 10, and the second damping spring can play a role in buffering transverse vibration.

According to the outdoor permanent magnet vacuum circuit breaker disclosed by the utility model, the top of the hydraulic telescopic rod 6 is connected with the bottom end surface of the circuit breaker box body 1 through welding, the bottom of the hydraulic telescopic rod 6 is connected with the top end surface of the supporting plate 5 through welding, four groups of hydraulic telescopic rods 6 and the first damping springs 7 are arranged in total, and the four groups of hydraulic telescopic rods 6 and the first damping springs 7 are symmetrically arranged at four corners of the circuit breaker box body 1 and the supporting plate 5 respectively.

According to the outdoor permanent magnet vacuum circuit breaker disclosed by the utility model, two slide bars 9 are arranged in parallel and symmetrically, four groups of second damping springs 11 are arranged in total, are respectively and symmetrically arranged between the baffle plate 8 and the sliding block 10, and are propped against the baffle plate 8 and the sliding block 10.

According to the outdoor permanent magnet vacuum circuit breaker disclosed by the utility model, the balance weight 12 is fixedly arranged in the middle of the top end surface of the supporting plate 5, the rubber buffer pad 13 is arranged at the top of the balance weight 12, the balance weight 12 can prevent the circuit breaker box body 1 from shifting during vibration, the bottom of the sliding block 10 is fixedly connected with the mounting plate 17, and the mounting plate 17 is convenient for the vacuum circuit breaker to be mounted on equipment.

The outdoor permanent magnet vacuum circuit breaker is a common mechanical mode in the installation mode, the connection mode or the setting mode, and can be implemented as long as the beneficial effects of the outdoor permanent magnet vacuum circuit breaker can be achieved.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides an outdoor permanent magnetism vacuum circuit breaker, includes circuit breaker box (1), insulating utmost point post (2) to and cover and establish at insulating utmost point post (2) outside protective housing (3), its characterized in that: the circuit breaker box (1) bottom is equipped with damping device (4), damping device (4) include backup pad (5), backup pad (5) with be connected with hydraulic telescoping rod (6) between circuit breaker box (1), hydraulic telescoping rod (6) overcoat is equipped with first damping spring (7), backup pad (5) left and right sides all are fixed baffle (8) that are equipped with, baffle (8) middle part is fixed to be equipped with slide bar (9), slidable mounting has sliding block (10) on slide bar (9), sliding block (10) with be equipped with second damping spring (11) between baffle (8), second damping spring (11) cover is located slide bar (9) outside, just both ends of second damping spring (11) with baffle (8), sliding block (10) offset and hold.

2. An outdoor permanent magnet vacuum circuit breaker according to claim 1, characterized in that: the top of the hydraulic telescopic rod (6) is connected with the bottom end face of the breaker box body (1), and the bottom of the hydraulic telescopic rod (6) is connected with the top end face of the supporting plate (5).

3. An outdoor permanent magnet vacuum circuit breaker according to claim 1, characterized in that: the middle part of the top end surface of the supporting plate (5) is fixedly provided with a balance weight (12), and the top of the balance weight (12) is provided with a rubber buffer pad (13).

4. An outdoor permanent magnet vacuum circuit breaker according to claim 1, characterized in that: the protection box (3) is connected with a box door (14) through hinged rotation, heat dissipation openings (15) are formed in the left side and the right side of the protection box (3), and dustproof nets (16) are arranged in the heat dissipation openings (15).

5. An outdoor permanent magnet vacuum circuit breaker according to claim 1, characterized in that: the bottom of the sliding block (10) is fixedly connected with a mounting plate (17).